Open Source Economy, npm fiasco, Layout Instability API, and Derived State in React 💜

Below, you can find the Pony Foo Weekly newsletter issue #174 — Open Source Economy, npm fiasco, Layout Instability API, and Derived State in React
. It was sent to our subscribers on July 4, 2019.

Pony Foo Weekly Issue #174 — July 4, 2019

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Best Practices

The cost of JavaScript in 2019

Deep Dive

When you’re trying to optimize JavaScript execution time, keep an eye out for Long Tasks that might be monopolizing the UI thread for long periods of time. These can block critical tasks from executing even if the page looks visually ready. Break these up into smaller tasks. By splitting up your code and prioritizing the order in which it is loaded, you can get pages interactive faster and hopefully have lower input latency.

Addy Osmani

The Layout Instability API

Deep Dive

Phil introduces the Layout Instability API, its key concepts, and explains how to use the API and provide feedback.

Philip Walton

Avoiding Derived State In React

Article

Ben McCormick

nIcE pEopLe mAtteR

The economics of open source

Talk

C J tells her perspective on what’s going to happen with JavaScript package management going forward.

C J Silverio

npm “funding secured” — until 2020?

News

npm CEO sends “reassuring” message about how they “removed the threat” of running out of money until 2020. Or put another way, npm is in shambles and the community needs a solution, fast.

Analysis of an Exploited NPM Package

Talk

You’re running a stranger’s code inside your applications. Do you know which packages you’re running? Do you know if the authors understand or care about security? Do you know if they have vulnerabilities?

Jarrod Overson